Paul Nizet, Francesco Chiabrera, Alicia Ruiz-Caridad, Anton Kaus, Ona Falcó, Lixin Zhang, Lluís Yedra, Sònia Estradé, Regina Dittmann, Francesca Peiró, Felix Gunkel, Albert Tarancón. "Unlocking stable intermediate states in SrFeO3-δ through voltage control of oxygen non-stoichiometry." Nature Communications, 2026. doi:10.1038/s41467-026-75149-8